CN106870598B - Super large pivot angle drive mechanism - Google Patents
Super large pivot angle drive mechanism Download PDFInfo
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- CN106870598B CN106870598B CN201710161280.8A CN201710161280A CN106870598B CN 106870598 B CN106870598 B CN 106870598B CN 201710161280 A CN201710161280 A CN 201710161280A CN 106870598 B CN106870598 B CN 106870598B
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- universal joint
- input shaft
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- shaft
- shaped
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D47/00—Systems of clutches, or clutches and couplings, comprising devices of types grouped under at least two of the preceding guide headings
- F16D47/02—Systems of clutches, or clutches and couplings, comprising devices of types grouped under at least two of the preceding guide headings of which at least one is a coupling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/20—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure
- F16D43/21—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure with friction members
- F16D43/213—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure with friction members with axially applied torque-limiting friction surfaces
- F16D43/215—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure with friction members with axially applied torque-limiting friction surfaces with flat friction surfaces, e.g. discs
- F16D43/216—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure with friction members with axially applied torque-limiting friction surfaces with flat friction surfaces, e.g. discs with multiple lamellae
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D7/00—Slip couplings, e.g. slipping on overload, for absorbing shock
- F16D7/02—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type
- F16D7/024—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with axially applied torque limiting friction surfaces
- F16D7/025—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with axially applied torque limiting friction surfaces with flat clutching surfaces, e.g. discs
- F16D7/027—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with axially applied torque limiting friction surfaces with flat clutching surfaces, e.g. discs with multiple lamellae
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
- Agricultural Machines (AREA)
Abstract
The invention provides a super-large swing angle transmission mechanism, which comprises an input shaft, a double-ball-head universal joint, a telescopic special-shaped pipe, a first cross-axle universal joint and a torque type clutch mechanism, wherein the input shaft can be quickly disassembled and assembled; an elastic limiting part is arranged on the side wall of the input shaft capable of being rapidly disassembled and assembled, and the elastic limiting part can be used for rapidly disassembling and assembling the input shaft and the input shaft of the power output equipment; the tail end of the input shaft is connected with the tail part of a universal joint fork of the second universal joint; one end of the telescopic special-shaped pipe is connected with the tail part of the universal joint fork of the third universal joint, and the other end of the telescopic special-shaped pipe is connected with the tail part of the universal joint fork of the first universal joint; the torsion type clutch mechanism is connected with a cross shaft of the first cross shaft universal joint. The invention adopts the double-ball universal joint to increase the swing angle during shaft transmission, so that the shaft transmission rotating angle is more flexible.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to an ultra-large swing angle transmission mechanism which is applied to agricultural mechanical equipment.
Background
The existing agricultural tillage implement, power output equipment and traction tractor are all connected quickly by using a cross shaft, namely, a driven shaft of the agricultural tillage implement is connected with a transmission shaft of the power output equipment. The swing angle of the traditional cross shaft universal joint is about 15 degrees, so that the requirement of large agricultural tillage equipment cannot be met, and the requirement of power transmission of the agricultural tillage equipment, a traction tractor and power output equipment under medium-low speed heavy load and severe working conditions cannot be met.
The prior art discloses a novel variable high-efficiency large-swing-angle constant-speed transmission shaft assembly, which has the following publication numbers: CN202560865U, published as: 2012-11-28, a new variant high-efficiency constant-velocity drive shaft assembly with a large pivot angle. The automobile transmission shaft assembly mainly solves the problems that an existing automobile transmission shaft assembly is small in swing angle, large in friction resistance and large in running clearance. Including transmission shaft (1), the one end of transmission shaft (1) links to each other its characterized in that with first rzeppa universal joint (2): the other end of the transmission shaft (1) is connected with a second ball-cage universal joint (3), the second ball-cage universal joint (3) comprises a bell-shaped shell (31), an outer spline (311) connected with a differential is arranged on the bell-shaped shell (31), and a groove (5) matched with a clamping steel wire (4) for a shaft is arranged at the end part of the outer spline (311). The double universal joints of the novel variable high-efficiency large-swing-angle constant-speed transmission shaft assembly all adopt the ball cage type universal joint with a large swing angle, meet the requirement of large-corner steering when a vehicle runs on a flat road surface, and have the characteristics of simple and compact structure, convenience in processing, low cost and high transmission efficiency. A ball cage universal joint is adopted; the technical scheme is that the novel agricultural tillage machine is realized by wrapping a ball and a ball sleeve, the angle of the structural pendulum is not large enough, and the technical scheme is different because the patent is directed at a transmission shaft of an automobile and not directed at an agricultural tillage machine.
Disclosure of Invention
The invention aims to solve the technical problem of providing an ultra-large swing angle transmission mechanism, wherein a double-ball universal joint is adopted to increase a swing angle during shaft transmission, so that a shaft transmission rotating angle is more flexible; the swing angle of the traditional cross shaft universal joint is about 15 degrees, the invention uses the double-ball structure and the telescopic special-shaped sleeve, the swing angle is doubled to reach about 30 degrees compared with the traditional cross shaft universal joint, the ultra-large swing angle transmission mechanism can be suitable for agricultural tillage machines with different tillage widths, and the applicability is expanded.
The invention is realized in the following way: a super large swing angle transmission mechanism comprises an input shaft, a double-ball-head universal joint, a telescopic special-shaped pipe, a first cross-axle universal joint and a torque-type clutch mechanism, wherein the input shaft can be quickly disassembled and assembled;
an elastic limiting piece is arranged on the side wall of the input shaft capable of being rapidly disassembled and assembled, and the elastic limiting piece can be used for rapidly disassembling and assembling the input shaft and the input shaft of the power output equipment;
the double-ball-head universal joint comprises a second cross axle universal joint, a third cross axle universal joint and a limiting component; the end parts of the universal joint forks of the second universal joint and the third universal joint are respectively provided with a supporting arm, the cross section of each supporting arm is arc-shaped, the front end of the middle part of each supporting arm is provided with a ball head, and the two ball heads are arranged oppositely; the limiting assembly comprises a sliding block and two groups of sliding block fixing pieces; the sliding block comprises a circular column, the middle part of the circular column is a hollow cavity, and two side walls of the middle part of the circular column are both provided with limiting rods vertically upwards; the two ball heads are sleeved in the cavity of the circular column; the two groups of sliding block fixing parts comprise a first sliding block connecting disc and a second sliding block connecting disc, the first sliding block connecting disc and the second sliding block connecting disc are symmetrically arranged, and the first sliding block connecting disc and the second sliding block connecting disc form a clip-shaped structure to clamp the limiting rod; a first connecting arm and a second connecting arm are respectively arranged on the side walls below the first sliding block connecting disc and the second sliding block connecting disc; the first connecting arm is connected with the end part of the cross shaft of the second cross shaft universal joint; the second connecting arm is connected with the end part of the cross shaft of the third cross shaft universal joint;
the tail end of the input shaft is connected with the tail part of a universal joint fork of the second universal joint; one end of the telescopic special-shaped pipe is connected with the tail part of a universal joint fork of the third universal joint, and the other end of the telescopic special-shaped pipe is connected with the tail part of the universal joint fork of the first universal joint; the torsion clutch mechanism is connected with a cross shaft of the first cross shaft universal joint.
Furthermore, the elastic limiting part comprises a spring pin and an elastic part, the spring pin comprises a pin head and a pin shaft, and a groove is formed in the pin shaft; the elastic piece is sleeved between the pin head and the pin shaft, a through hole is formed in the side wall of the input shaft and is communicated with the inner side wall of the input shaft, the pin shaft is located in the through hole, the groove in the pin shaft is located at the position where the through hole is communicated with the inner side wall of the input shaft after the spring pin is pressed down, and the protruding portion at the tail of the pin shaft is located at the position where the through hole is communicated with the inner side wall of the input shaft after the spring pin is lifted up.
Further, the telescopic special-shaped pipe comprises a special-shaped outer pipe and a special-shaped inner pipe, and the special-shaped inner pipe is nested in the special-shaped outer pipe; the special-shaped outer pipe is connected with the tail part of a universal joint fork of the third universal joint; the special-shaped inner pipe is connected with the tail part of a universal joint fork of the first cross shaft universal joint; a first protective cover is arranged between the special-shaped outer pipe and the tail part of the universal joint fork of the third universal joint, and a second protective cover is arranged between the special-shaped inner pipe and the tail part of the universal joint fork of the first universal joint; the inner side walls of two sides of the first protective cover are respectively provided with a clamping jaw, and the first protective cover is fixed at the tail part of a universal joint fork of the third universal joint through the two clamping jaws; all be provided with a jack catch on the inside wall of second safety cover both sides, two jack catches are fixed in the second safety cover the universal joint fork afterbody of first cross universal joint.
Furthermore, the sections of the special-shaped outer pipe and the special-shaped inner pipe are I-shaped, quincunx, hexagonal or oblate.
Furthermore, first safety cover and second safety cover bottom all are provided with a connecting hole, are provided with a chain between two connecting holes.
Further, the torque clutch mechanism includes: the device comprises a torque device universal joint fork, a spline input shaft, two pressing plates, two corrugated plates, a locking assembly and two hexagonal friction discs; the universal joint fork of the torque device and the spline input shaft are fixed through the locking assembly; the hexagonal friction disc, the pressing plate, the spline seat and the pressing disc are sequentially arranged from left to right, the hexagonal friction disc is connected with the bottom surface of the torsion device universal joint fork through the friction plate, the hexagonal friction disc is connected with the pressing plate through the friction plate, the pressing plate is connected with the spline seat through the friction plate, the spline seat is connected with the pressing disc through the friction plate, the corrugated disc is pressed against the outer side of the pressing disc and locked on the spline input shaft through the locking assembly.
Further, the locking assembly comprises a bolt, a spring and a nut, the bolt penetrates through the pressing plate and the torsion device universal joint fork to be locked through the nut, and the spring is arranged between the nut and the front end face of the torsion device universal joint fork.
Furthermore, a third protective cover is arranged outside the double-ball-head universal joint.
The invention has the following advantages: the innovation points of the invention are as follows: the double-ball head structure is adopted, so that the double-ball head structure is simple and practical, the manufacturing and maintenance cost is low, and the requirement of power transmission of agricultural tillage equipment, a traction tractor and power output equipment under medium-low speed heavy load and severe working conditions can be met; the second innovation point is that: the swing angle of the traditional universal joint of the cross shaft is about 15 degrees, the swing angle is doubled to reach about 30 degrees compared with the swing angle of the traditional universal joint of the cross shaft by using the ball head structure and the telescopic special-shaped sleeve, and the transmission shaft with the ultra-large swing angle can be suitable for agricultural tillage machines with different tillage widths, so that the applicability is expanded; the third innovation point is that: the output end adopts a torsion clutch mechanism, and when the tillage implement meets the overload of obstacles such as boulders, tree roots, crop roots and the like in the land in the tillage process, the friction plate of the torsion clutch mechanism slides, thereby playing the role of protecting the agricultural tillage implement and the traction tractor.
Drawings
The invention will be further described with reference to the following examples and figures.
FIG. 1 is a schematic structural view of a cross section of the present invention.
Fig. 2 is a partial structural schematic diagram of the present invention.
FIG. 3 is a structural diagram illustrating a first usage state of the cross-section of the present invention.
FIG. 4 is a schematic structural diagram of a second usage state of the cross-section of the present invention.
Detailed Description
Referring to fig. 1 to 4, a super large swing angle transmission mechanism includes an input shaft 1, a double-ball joint universal joint 2, a telescopic special pipe 3, a first cross-axle universal joint 4, and a torque clutch mechanism 5, which can be quickly assembled and disassembled;
an elastic limiting piece 11 is arranged on the side wall of the input shaft 1 capable of being quickly disassembled and assembled, and the elastic limiting piece 11 can be used for quickly disassembling and assembling the input shaft 1 and an input shaft of power output equipment;
the double-ball-head universal joint 2 comprises a second universal joint 21, a third universal joint 22 and a limiting component 23; the end parts of the universal joint forks of the second universal joint 21 and the third universal joint 22 are respectively provided with a supporting arm 24, the section of each supporting arm 24 is arc-shaped, the front end of the middle part of each supporting arm 24 is provided with a ball head 25, and the two ball heads 25 are arranged oppositely; therefore, the swing angle is increased during shaft transmission, and the shaft transmission rotating angle is more flexible.
The limiting component 23 comprises a sliding block 231 and two groups of sliding block fixing pieces 232; the sliding block 231 comprises a circular column 2311, the middle of the circular column is a hollow cavity, and two side walls of the middle of the circular column are both provided with limiting rods 2312 vertically upwards; the two ball heads 25 are sleeved in the cavity of the round column 2311; the two sets of slider fixing parts 232 respectively comprise a first slider connecting disc 2321 and a second slider connecting disc 2322, the first slider connecting disc 2321 and the second slider connecting disc 2322 are symmetrically arranged, and the first slider connecting disc 2321 and the second slider connecting disc 2322 form a clip-shaped structure to clamp the stopper rod 2312; like this when the first structure of two bulbs swung, carry out spacing operation to two bulbs 25 to improve the fastness of part. A first connecting arm 26 and a second connecting arm 27 are respectively arranged on the lower side walls of the first slider connecting disc 2321 and the second slider connecting disc 2322; the first connecting arm 26 is connected with the end of the cross shaft 211 of the second cross shaft universal joint 21; the second connecting arm 27 is connected with the end of the cross 211 of the third cross universal joint 22; thus, the second universal joint 21 transmits force to the first connecting arm 26, the second connecting arm 27 and the third universal joint 22 through the universal joint when transmitting force; thereby completing the force transmission function.
The tail end of the input shaft 1 is connected with the tail part of the universal joint fork 212 of the second universal joint cross 21; one end of the telescopic special-shaped pipe 3 is connected with the tail part of a universal joint fork 221 of the third universal joint cross 22, and the other end of the telescopic special-shaped pipe 3 is connected with the tail part of a universal joint fork 41 of the first universal joint cross 4; the torque-type clutch mechanism 5 is connected to the cross shaft of the first universal joint 4.
In the present invention, the elastic limiting element 11 includes a spring pin 111 and an elastic element 112, the spring pin 111 includes a pin head 1111 and a pin 1112, and the pin 1112 is provided with a groove 1113; elastic component 112 cover is established between round pin head 1111 and round pin axle 1112, set up through-hole 113 on the lateral wall of input shaft 1, this through-hole 113 link up with the inside wall of input shaft mutually, round pin axle 1112 is located in the through-hole, spring catch 111 pushes down the back, and the recess on round pin axle 1112 is located the position that through-hole 113 and the inside wall of input shaft link up mutually, spring catch 111 lifts up the back, and the protruding position of round pin axle 1112 afterbody is located the position that through-hole and the inside wall of input shaft link up mutually. Therefore, the groove of the limiting ring body on the shaft of the spline output shaft (not shown) can be limited and clamped by the protruding part, and the spline output shaft (which is the output shaft of the power output equipment) cannot be pulled out, so that the spline output shaft can be quickly installed and detached.
The telescopic special-shaped pipe 3 comprises a special-shaped outer pipe 31 and a special-shaped inner pipe 32, and the special-shaped inner pipe 32 is nested in the special-shaped outer pipe 31; the special-shaped outer tube 31 is connected with the tail part of the universal joint yoke of the third universal joint cross 22; the special-shaped inner tube 32 is connected with the tail part of the universal joint yoke of the first universal joint 4; a first protective cover 6 is arranged between the special-shaped outer tube 31 and the tail part of the universal joint fork of the third universal joint 4, and a second protective cover 7 is arranged between the special-shaped inner tube 32 and the tail part of the universal joint fork of the first universal joint 4; a clamping jaw 61 is arranged on the inner side wall of each of two sides of the first protective cover 6, and the first protective cover 6 is fixed at the tail part of the universal joint fork of the third universal joint 22 by the two clamping jaws 61; all be provided with a jack catch 61 on the inside wall of second safety cover 7 both sides, two jack catches 61 are fixed in second safety cover 7 the universal joint fork afterbody of first cross universal joint 4. The cross sections of the special-shaped outer pipe 31 and the special-shaped inner pipe 32 are I-shaped, quincunx, hexagonal or oblate. First safety cover 6 and second safety cover 7 bottom all are provided with a connecting hole 62, are provided with a chain 8 between two connecting holes 62. The telescopic special-shaped pipe 3 can meet the power transmission of agricultural tillage equipment, a traction tractor and power output equipment under medium-low heavy load and severe working conditions. The special-shaped inner pipe 32 can move freely in the special-shaped outer pipe 31, force is transmitted to the special-shaped inner pipe 32 through the special-shaped outer pipe 31, in addition, through the combination of the double-bulb universal joint 2 and the telescopic special-shaped pipe 3, relatively long-distance force can be transmitted, so that a commonly used gearbox can be omitted (as the universal joint is used at ordinary times, the swing angle is not large enough, in addition, the effect of the telescopic pipe is not provided, the gearbox is required to be added when relatively long-distance force is transmitted, and the force is transmitted through the gearbox), and therefore the cost is reduced.
In addition, the torque clutch mechanism 5 according to the present invention includes: a torque device universal joint yoke 51, a spline input shaft 52, two pressure plates 53, two compression plates 54, two wave-shaped plates 55, a locking assembly 56 and two hexagonal friction plates 57; the universal joint yoke 51 and the spline input shaft 52 of the torsion machine are fixed through the locking assembly 56; the spline input shaft 52 is provided with spline seats 521 on both sides thereof, the two pressure plates 53, the two pressing plates 54, the two corrugated plates 55 and the two hexagonal friction disks 57 are arranged between the torque converter universal joint yoke 51 and the spline input shaft 52, the hexagonal friction disks 57, the pressure plates 53, the spline seats 521 and the pressing plates 54 are arranged in sequence from left to right, the hexagonal friction disks 57 are connected with the bottom surface of the torque converter universal joint yoke 51 through friction plates 58, the hexagonal friction disks 57 are connected with the pressure plates 53 through the friction plates 58, the pressure plates 53 are connected with the spline seats 521 through the friction plates 58, the spline seats 521 are connected with the pressing plates 54 through the friction plates 58, the corrugated plates 55 abut against the outer sides of the pressing plates 54 and are locked on the spline input shaft through locking assemblies 56. The locking assembly 56 comprises a bolt 561, a spring 562 and a nut 563, wherein the bolt 561 passes through the compression plate 54 and the torque converter universal joint yoke 51 and is locked by the nut 563, and the spring 562 is arranged between the nut 563 and the front end face of the torque converter universal joint yoke 51. The universal joint fork 51 of the torque device is connected with the spline input shaft 52 through the friction plate 58, and after the agricultural transmission shaft is provided with the torque type clutch mechanism 5, because the torque type clutch mechanism 5 adopts the structure of the friction plate, when a working part is clamped by a foreign object, the power can be eliminated through the slip of the torque type clutch mechanism 5, and the agricultural transmission shaft is protected while the engine and the working part are protected.
In addition, the maximum static friction force provided by the friction plate can be adjusted by tightening nuts on the torque-type clutch mechanism 5 to different degrees, so that the torque-type clutch mechanism 5 has different degrees of sensitivity, and can be better adapted to different agricultural machinery operating environments. Therefore, when the tillage machine encounters the overload of obstacles such as boulders, tree roots, crop roots and the like in the land in the tillage process, the friction plate of the torsion clutch mechanism slides, and the effects of protecting the agricultural tillage machine and the traction tractor are achieved.
In order to protect the double-ball-throw universal joint, a third protective cover 9 is arranged outside the double-ball-head universal joint.
In a word, the double-ball head structure is adopted, so that the double-ball head structure is simple and practical, has low manufacturing and maintenance cost, and can meet the requirements of power transmission of agricultural tillage equipment, a traction tractor and power output equipment under medium-low speed heavy load and severe working conditions; the swing angle of the traditional universal joint of the cross shaft is about 15 degrees, the invention uses the ball head structure and the telescopic special-shaped sleeve, the swing angle is doubled to reach about 30 degrees compared with the traditional universal joint of the cross shaft, the transmission shaft with the ultra-large swing angle can be suitable for agricultural tillage machines with different tillage widths, and the applicability is expanded; the output end of the invention adopts the torque-type clutch mechanism, and when the tillage implement encounters obstacles such as boulders, tree roots, crop roots and the like in the land and is overloaded in the tillage process, the friction plates of the torque-type clutch mechanism slide, thereby playing a role in protecting the agricultural tillage implement and the traction tractor.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (6)
1. The utility model provides an ultra-large pivot angle drive mechanism which characterized in that: the universal joint comprises an input shaft, a double-ball-head universal joint, a telescopic special-shaped pipe, a first cross-axle universal joint and a torsion clutch mechanism, wherein the input shaft can be quickly disassembled and assembled;
an elastic limiting part is arranged on the side wall of the input shaft capable of being rapidly disassembled and assembled, and the elastic limiting part can be used for rapidly disassembling and assembling the input shaft and the input shaft of the power output equipment;
the double-ball-head universal joint comprises a second cross axle universal joint, a third cross axle universal joint and a limiting component; the end parts of the universal joint forks of the second universal joint and the third universal joint are respectively provided with a supporting arm, the section of each supporting arm is arc-shaped, the front end of the middle part of each supporting arm is provided with a ball head, and the two ball heads are arranged oppositely; the limiting assembly comprises a sliding block and two groups of sliding block fixing pieces; the sliding block comprises a circular column, the middle part of the circular column is a hollow cavity, and two side walls of the middle part of the circular column are both provided with limiting rods vertically upwards; the two ball heads are sleeved in the cavity of the circular column; the two groups of sliding block fixing pieces comprise a first sliding block connecting disc and a second sliding block connecting disc, the first sliding block connecting disc and the second sliding block connecting disc are symmetrically arranged, and the first sliding block connecting disc and the second sliding block connecting disc form a clip-shaped structure to clamp the limiting rod; the side walls below the first slider connecting disk and the second slider connecting disk are respectively provided with a first connecting arm and a second connecting arm; the first connecting arm is connected with the end part of the cross shaft of the second cross shaft universal joint; the second connecting arm is connected with the end part of the cross shaft of the third cross shaft universal joint;
the tail end of the input shaft is connected with the tail part of a universal joint fork of the second universal joint; one end of the telescopic special-shaped pipe is connected with the tail part of the universal joint fork of the third universal joint, and the other end of the telescopic special-shaped pipe is connected with the tail part of the universal joint fork of the first universal joint; the torsion type clutch mechanism is connected with a cross shaft of the first cross shaft universal joint;
the elastic limiting part comprises a spring pin and an elastic part, the spring pin comprises a pin head and a pin shaft, and a groove is formed in the pin shaft; the elastic piece is sleeved between the pin head and the pin shaft, a through hole is formed in the side wall of the input shaft and communicated with the inner side wall of the input shaft, the pin shaft is located in the through hole, after the spring pin is pressed down, the groove in the pin shaft is located at a position where the through hole is communicated with the inner side wall of the input shaft, and after the spring pin is lifted up, the protruding part at the tail of the pin shaft is located at a position where the through hole is communicated with the inner side wall of the input shaft;
the telescopic special-shaped pipe comprises a special-shaped outer pipe and a special-shaped inner pipe, and the special-shaped inner pipe is nested in the special-shaped outer pipe; the special-shaped outer pipe is connected with the tail part of a universal joint fork of the third universal joint; the special-shaped inner pipe is connected with the tail part of a universal joint fork of the first universal joint; a first protective cover is arranged between the special-shaped outer pipe and the tail part of the universal joint fork of the third universal joint, and a second protective cover is arranged between the special-shaped inner pipe and the tail part of the universal joint fork of the first universal joint; the inner side walls of two sides of the first protective cover are respectively provided with a clamping jaw, and the first protective cover is fixed at the tail part of a universal joint fork of the third universal joint through the two clamping jaws; all be provided with a jack catch on the inside wall of second safety cover both sides, two jack catches are fixed in the second safety cover the universal joint fork afterbody of first cross universal joint.
2. The ultra-large swing angle transmission mechanism of claim 1, characterized in that: the sections of the special-shaped outer pipe and the special-shaped inner pipe are I-shaped, quincunx, hexagonal or oblate.
3. The ultra-large pivot angle transmission mechanism of claim 1, characterized in that: the bottom of each of the first protective cover and the second protective cover is provided with a connecting hole, and a chain is arranged between the two connecting holes.
4. The ultra-large pivot angle transmission mechanism of claim 1, characterized in that: the torque-type clutch mechanism includes: the device comprises a torque device universal joint fork, a spline input shaft, two pressing plates, two corrugated plates, a locking assembly and two hexagonal friction discs; the universal joint fork of the torque device and the spline input shaft are fixed through the locking assembly; the hexagonal friction disc, the pressing plate, the spline seat and the pressing disc are sequentially arranged from left to right, the hexagonal friction disc is connected with the bottom surface of the torsion device universal joint fork through the friction plate, the hexagonal friction disc is connected with the pressing plate through the friction plate, the pressing plate is connected with the spline seat through the friction plate, the spline seat is connected with the pressing disc through the friction plate, the corrugated disc is pressed against the outer side of the pressing disc and locked on the spline input shaft through the locking assembly.
5. The ultra-large swing angle transmission mechanism of claim 4, characterized in that: the locking assembly comprises a bolt, a spring and a nut, the bolt penetrates through the pressing disc and the torsion device universal joint fork to be locked through the nut, and the spring is arranged between the nut and the front end face of the torsion device universal joint fork.
6. The ultra-large pivot angle transmission mechanism of claim 1, characterized in that: and a third protective cover is arranged outside the double-ball-head universal joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710161280.8A CN106870598B (en) | 2017-03-17 | 2017-03-17 | Super large pivot angle drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710161280.8A CN106870598B (en) | 2017-03-17 | 2017-03-17 | Super large pivot angle drive mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106870598A CN106870598A (en) | 2017-06-20 |
| CN106870598B true CN106870598B (en) | 2022-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710161280.8A Active CN106870598B (en) | 2017-03-17 | 2017-03-17 | Super large pivot angle drive mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN106870598B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1021379A (en) * | 1963-04-26 | 1966-03-02 | Suzuki Motor Co | A centrifugal friction clutch more particularly for a motorcycle |
| GB1208589A (en) * | 1966-12-21 | 1970-10-14 | Walterscheid Kg Jean | Improvements relating to constant-velocity shaft couplings |
| ES225151U (en) * | 1976-12-16 | 1977-04-16 | Metalicas De Pamplona, S. A. | Transmission-clutch for agricultural machine. (Machine-translation by Google Translate, not legally binding) |
| EP1089005A1 (en) * | 1999-09-28 | 2001-04-04 | Edi Bondioli | Cardan shaft with guard that can be fixed in position by a single action |
| CN202746433U (en) * | 2012-08-10 | 2013-02-20 | 许昌远东传动轴股份有限公司 | Wheel hub transmission shaft structure |
| CN202851716U (en) * | 2012-04-13 | 2013-04-03 | 斯捷尔传动机械(杭州)有限公司 | Device for reducing gap of slide block in wide angle section head |
| CN203516522U (en) * | 2013-11-18 | 2014-04-02 | 新疆永成农业装备制造股份有限公司 | Tractor rear power output safety clutch |
| CN203939884U (en) * | 2014-06-07 | 2014-11-12 | 中国农业机械化科学研究院呼和浩特分院 | Universal joint |
| CN204041757U (en) * | 2014-08-20 | 2014-12-24 | 斯捷尔传动机械(杭州)有限公司 | With the driving-shaft assembly of safe concealed pin |
| CN204213202U (en) * | 2014-09-26 | 2015-03-18 | 天津灵燕工贸有限公司 | A kind of bicycle transmission mechanism |
| CN206608482U (en) * | 2017-03-17 | 2017-11-03 | 福州荣林机械有限公司 | A kind of super large pivot angle transmission mechanism |
-
2017
- 2017-03-17 CN CN201710161280.8A patent/CN106870598B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1021379A (en) * | 1963-04-26 | 1966-03-02 | Suzuki Motor Co | A centrifugal friction clutch more particularly for a motorcycle |
| GB1208589A (en) * | 1966-12-21 | 1970-10-14 | Walterscheid Kg Jean | Improvements relating to constant-velocity shaft couplings |
| ES225151U (en) * | 1976-12-16 | 1977-04-16 | Metalicas De Pamplona, S. A. | Transmission-clutch for agricultural machine. (Machine-translation by Google Translate, not legally binding) |
| EP1089005A1 (en) * | 1999-09-28 | 2001-04-04 | Edi Bondioli | Cardan shaft with guard that can be fixed in position by a single action |
| CN202851716U (en) * | 2012-04-13 | 2013-04-03 | 斯捷尔传动机械(杭州)有限公司 | Device for reducing gap of slide block in wide angle section head |
| CN202746433U (en) * | 2012-08-10 | 2013-02-20 | 许昌远东传动轴股份有限公司 | Wheel hub transmission shaft structure |
| CN203516522U (en) * | 2013-11-18 | 2014-04-02 | 新疆永成农业装备制造股份有限公司 | Tractor rear power output safety clutch |
| CN203939884U (en) * | 2014-06-07 | 2014-11-12 | 中国农业机械化科学研究院呼和浩特分院 | Universal joint |
| CN204041757U (en) * | 2014-08-20 | 2014-12-24 | 斯捷尔传动机械(杭州)有限公司 | With the driving-shaft assembly of safe concealed pin |
| CN204213202U (en) * | 2014-09-26 | 2015-03-18 | 天津灵燕工贸有限公司 | A kind of bicycle transmission mechanism |
| CN206608482U (en) * | 2017-03-17 | 2017-11-03 | 福州荣林机械有限公司 | A kind of super large pivot angle transmission mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106870598A (en) | 2017-06-20 |
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